To make preserved lemon relish, remove flesh and seeds from lemon. Discard. Chop the peel. Pulse in a small food processor with chopped chives, parsley and vinegar until a coarse paste forms. Stir in olive oil. Season with salt and pepper.

To make radicchio salad, cut radicchio into wedges and combine with rocket, olives and shaved manchego cheese in a serving bowl. Drizzle with balsamic vinegar.

Combine olive oil and fish. Season with salt and cracked black pepper. Heat a non-stick frying pan over a medium-high heat. Cook fish for 3 minutes or until golden. Turn over and cook for another 2 to 3 minutes or until just cooked through.